7-step Fibonacci sequence starting with (0,0,0,1,0,0,0).

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =0a(6) =0a(7) =1a(8) =2a(9) =4a(10) =8a(11) =15a(12) =30a(13) =60a(14) =120a(15) =239a(16) =476a(17) =948a(18) =1888a(19) =3761a(20) =7492a(21) =14924a(22) =29728a(23) =59217a(24) =117958a(25) =234968a(26) =468048a(27) =932335a(28) =1857178a(29) =3699432